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I am trying to install Xubuntu (or any other Ubuntu distribution) on my old Macbook6.1.

I tried booting from USB sticks which I have prepared with Unetbootin on MacOS, with Rufus on windows, and from a DVD burned on MacOS.

The bootable USBs or DVD doesn't appear as bootable option when starting the Macbook6.1 and holding the alt key.

I don't understand yet where the problem is.

I found a clue on this topic, where the OP was suggested to use a amd64+mac iso.

Where can I find such iso? I tried here already, with no luck.

Or else, is something else wrong in my installation method?

tvoirand
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1 Answers1

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The amd64+mac ISO versions were developed for early Mac's with 64 bit processors, but only 32 bit EFI firmware. The resulting installations BIOS booted 64 bit versions of Ubuntu Linux. These installations also used the GUID Partition Tables (GPT) instead of the legacy MBR partition tables.

Your Mac has 64 bit EFI firmware. However, there is no reason you can not install a 64 bit BIOS booting Ubuntu on your Mac. Unfortunately, the last released amd64+mac ISO version was Ubuntu 14.04.5 LTS (Trusty Tahr). For the desktop version download file ubuntu-14.04.5-desktop-amd64+mac.iso. Once installation is complete, you will be prompt to upgrade to Ubuntu 16. The instructions for upgrading from Ubuntu 16 to the current version (Ubuntu 18) are given here.

Beware of the following:

  • Not all Mac can BIOS boot. Apple starting eliminating the BIOS starting with the 2015 models. You Model does have a BIOS.
  • Many Macs with a BIOS will not BIOS boot an operating systems unless the drive is hybrid partitioned. If necessary, you can use gdisk to change the drive partitioning to hybrid.
  • To BIOS boot Ubuntu on a Mac, you should create a 1 MB biosgrub partition. You need to create this partition in addition to any other partitions you normally create for an Ubuntu installation.
  • There is no guarantee your Mac can BIOS boot Ubuntu and be upgraded to the current version. You will have to try to find out.

Note: An example of installing Ubuntu Server is given as the accepted answer to the question Booting 64-bit Ubuntu Images on a First-Generation Mac Pro 1,1.

David Anderson
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